DiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureHumanitiesInformation ScienceNamed GroupsHealth CareGeographicals
BaltimoreSchoolsMarylandStudentsSchool NursingSchool Health ServicesSchools, MedicalSchools, DentalAdolescent BehaviorQuestionnairesCross-Sectional StudiesLongitudinal StudiesUrban PopulationUnited StatesEducational StatusStudent DropoutsFood Dispensers, AutomaticSchool Admission CriteriaPrevalenceFood ServicesAfrican AmericansRisk-TakingAthletic InjuriesBaseballSocioeconomic FactorsRisk FactorsResidence CharacteristicsHealth EducationPeer GroupDistrict of ColumbiaSex FactorsHealth Knowledge, Attitudes, PracticeSocial EnvironmentCurriculumSmokingAthletesAdolescent Nutritional Physiological PhenomenaSubstance-Related DisordersAchievementFootballHealth PromotionSchools, NurseryLogistic ModelsBrain ConcussionUniversitiesData CollectionSportsVolunteersSchools, PharmacyAge FactorsProgram EvaluationTeachingViolenceSexual BehaviorHealth SurveysHealth BehaviorUrban HealthEuropean Continental Ancestry GroupSchools, NursingAdolescent PsychologySubstance Abuse, IntravenousAgingPovertyEducational MeasurementFibrinogens, AbnormalEthnic GroupsPopulation SurveillanceSocial ClassAlcohol DrinkingCohort StudiesHispanic AmericansGeorgiaStudents, MedicalFood SupplySciencePhysical Education and TrainingCareer ChoiceAfrican Continental Ancestry GroupDancingProspective StudiesParentsVocational GuidanceSmall BusinessEducation, PremedicalRural PopulationPilot ProjectsEducation, DentalEducation, Medical, UndergraduateHIV InfectionsAttitude to HealthFirearmsSocial SupportUrocanic AcidNeedle-Exchange ProgramsOrganizational PolicyCommerceMinnesotaSex EducationSchools, Public HealthCrime